Self-Contained and Scalable Microbial Fuel Cell Array with Grid-Based Anode and Bottle Brush Cathode Power Sensors Underwater
a fuel cell array and self-scalable technology, which is applied in the direction of fuel cells, cell components, electrical equipment, etc., can solve the problems of high labor intensity, long time-consuming and delicate work of specially trained professionals, and the inability to fully realize the effect of microbial fuel cell arrays,
Active Publication Date: 2020-04-02
THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE NAVY
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Benefits of technology
The present invention is a device for capturing energy. It consists of an anode base, a rigid body, a pressure housing, a cathode array, and wires. The anode base has multiple anode plates connected to each other. The rigid body has a vertical and horizontal member with threads. The pressure housing has a cylindrical member with threads and a window portion. The cathode array has brush members, a bar member parallel to the brush member, and another bar member perpendicular to it. The technical effect of this invention is to efficiently capture energy with a simple and yet effective design.
Problems solved by technology
Constructing these prior art linear array MFCs was highly labor intensive, requiring long periods of delicate and technical work by specially trained professionals.
Preparing these spools for deployment required time consuming and delicate work.
When the system was retrieved, the linear array MFC could be reused, but cleaning and respooling the hundreds of meters of the array was time consuming.
Method used
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[0017]This invention presents a scalable, self-contained microbial fuel cell (MFC) device for capturing energy 100 based on a grid-structured anode base 200 and a bottle-brush cathode based cathode array 500. The invention can also utilize carbon cloth if that better suited the deployment conditions. The device for capturing energy 100 is portable and deployable by a limited number of personnel with minimal tools and training, and is able to harvest energy from the sediment of a body of water (including fresh, brackish, or marine water). Depending on the scale of the build, the device for capturing energy 100 is capable of harvesting power on the order of milliwatts to watts. The device for capturing energy 100 is recoverable and reusable by individuals of all levels of skill and training, and requires very little servicing between deployments. The device for capturing energy 100 can integrate a variety of electronics which can be used to harvest energy in order to determine power p...
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Abstract
A device for capturing energy, with an anode base, a rigid body, a pressure housing, a cathode array, and a wire. The anode base is connected to the rigid body, the pressure housing is connected to the rigid body, and the cathode array is connected to the rigid body. The first wire is electrically connected to the cathode array. The second wire is electrically connected to the anode base.
Description
FEDERALLY SPONSORED RESEARCH AND DEVELOPMENT[0001]The Self-Contained and Scalable Microbial Fuel Cell Array with Grid-Based Anode and Bottle Brush Cathode Power Sensors Underwater is assigned to the United States Government and is available for licensing and commercial purposes. Licensing and technical inquiries may be directed to the Office of Research and Technical Applications, Space and Naval Warfare Systems Center Pacific (Code 72120), 53560 Hull Street, San Diego, Calif., 92152, via telephone at (619) 553-2778, or email at ssc_pact_t2@navy.mil. Reference Navy Case 108705 in all communications.BACKGROUND OF THE INVENTION[0002]Microbial fuel cells (MFCs) capture energy from anaerobic sediments by transferring the electrons released during metabolic processes from the bacteria on the anode to oxygen surrounding the cathode in the water above the anode. MFCs are devices capable of harnessing electrochemical voltage gradients produced by microbes that then can be extracted as elect...
Claims
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IPC IPC(8): H01M8/16H01M8/2475H01M4/86H01M8/0247
CPCH01M8/2475H01M8/0247H01M4/8626H01M8/16Y02E60/50
Inventor BOND, MATTHEW L.ARIAS-THODE, YOLANDA M.RICHTER, KENNETH E.CHADWICK, DAVID B.HSU, LEWIS
Owner THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE NAVY